2008 dcom event log error

Log Name:      System
Source:        Microsoft-Windows-DistributedCOM
Date:          11/14/2008 9:14:24 AM
Event ID:      10009
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      server-dc01.domain.local
Description:
DCOM was unable to communicate with the computer 10.6.6.175 using any of the configured protocols.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-DistributedCOM" Guid="{1B562E86-B7AA-4131-BADC-B6F3A001407E}" EventSourceName="DCOM" />
    <EventID Qualifiers="49152">10009</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2008-11-14T15:14:24.000Z" />
    <EventRecordID>12318</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>System</Channel>
    <Computer>diobr-dc01.diobr.local</Computer>
    <Security />
  </System>
  <EventData>
    <Data Name="param1">10.6.6.175</Data>
    <Binary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inary>
  </EventData>
</Event>